Home / 3,426,783.14-4,728,948-1,898,889.05

Finding the Fourth Proportional to 3,426,783.14, 4,728,948 and 1,898,889.05

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Solution

The fourth proportional to 3,426,783.14, 4,728,948 and 1,898,889.05 is: 2,620,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,783.14 : 4,728,948 = 1,898,889.05 : x
  2. Step 2: Convert to fraction form
    3,426,783.14/4,728,948 = 1,898,889.05/x
  3. Step 3: Cross multiply
    3,426,783.14x = 4,728,948 × 1,898,889.05
  4. Step 4: Simplify right side
    3,426,783.14x = 8,979,747,575,219.40
  5. Step 5: Solve for x
    x = 8,979,747,575,219.40/3,426,783.14
  6. Step 6: Final answer
    x = 2,620,459.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.